Forensic Engineering Review Of An Overhead Power Line Breakage Failure

Abstract

Overhead Power Lines Occasionally Fail (Break) And Fall To The Ground Where They Can Be A Significant Danger. The Causes For Line Failure Are Many And Represent A Safety Concern Recognized By The National Electrical Safety Code (Nesc) And The Electrical Utilities. When An Overhead Line Breaks Without An Apparent Stressing Factor Such As Extreme Weather Forces Or A Vehicular Collision With A Power Pole, A Forensic Engineer May Be Called Upon To Determine The Cause For Failure. Consideration Of The Fact And Physical Evidence Available Can Lead Through The Application Of Electrical And Materials Science To A Plausible Explanation For A Seemingly Inexplicable Failure. An Occurrence Of An Overhead Line Failure Is Used To Illustrate The Forensic Engineering Process.